Commit | Line | Data |
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1bf404ef AC |
1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
0fb0cc75 | 3 | # Copyright 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009 |
9b254dd1 | 4 | # Free Software Foundation, Inc. |
2391e11d AC |
5 | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 8 | # the Free Software Foundation; either version 3 of the License, or |
2391e11d AC |
9 | # (at your option) any later version. |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
2391e11d | 18 | |
6bf46641 AC |
19 | if [target_info exists gdb,noinferiorio] { |
20 | verbose "Skipping fileio.exp because of no fileio capabilities." | |
21 | continue | |
22 | } | |
23 | ||
2391e11d AC |
24 | if $tracelevel { |
25 | strace $tracelevel | |
26 | } | |
27 | ||
28 | # | |
29 | # test running programs | |
30 | # | |
31 | set prms_id 0 | |
32 | set bug_id 0 | |
33 | ||
34 | set testfile "sizeof" | |
35 | set srcfile ${testfile}.c | |
36 | set binfile ${objdir}/${subdir}/${testfile} | |
37 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
b60f0898 JB |
38 | untested sizeof.exp |
39 | return -1 | |
2391e11d AC |
40 | } |
41 | ||
42 | if [get_compiler_info ${binfile}] { | |
43 | return -1; | |
44 | } | |
45 | ||
46 | gdb_exit | |
47 | gdb_start | |
48 | gdb_reinitialize_dir $srcdir/$subdir | |
49 | gdb_load ${binfile} | |
50 | ||
51 | # | |
52 | # set it up at a breakpoint so we can play with the variable values | |
53 | # | |
54 | ||
55 | if ![runto_main] then { | |
56 | perror "couldn't run to breakpoint" | |
57 | continue | |
58 | } | |
59 | ||
60 | # | |
61 | # Query GDB for the size of various types | |
62 | # | |
63 | ||
edcc8c75 AC |
64 | gdb_test "next" |
65 | ||
2391e11d AC |
66 | set sizeof_char [get_sizeof "char" 1] |
67 | set sizeof_short [get_sizeof "short" 2] | |
68 | set sizeof_int [get_sizeof "int" 4] | |
69 | set sizeof_long [get_sizeof "long" 4] | |
70 | set sizeof_long_long [get_sizeof "long long" 8] | |
71 | ||
72 | set sizeof_data_ptr [get_sizeof "void *" 4] | |
73 | set sizeof_func_ptr [get_sizeof "void (*)(void)" 4] | |
74 | ||
75 | set sizeof_float [get_sizeof "float" 4] | |
76 | set sizeof_double [get_sizeof "double" 8] | |
77 | set sizeof_long_double [get_sizeof "long double" 8] | |
78 | ||
2391e11d AC |
79 | # |
80 | # Compare GDB's idea of types with the running program | |
81 | # | |
82 | ||
83 | proc check_sizeof { type size } { | |
84 | global gdb_prompt | |
13a5e3b8 | 85 | |
edcc8c75 | 86 | set pat [string_to_regexp "sizeof (${type}) == ${size}"] |
6bf46641 | 87 | gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check sizeof \"$type\"" |
2391e11d AC |
88 | } |
89 | ||
90 | check_sizeof "char" ${sizeof_char} | |
91 | check_sizeof "short" ${sizeof_short} | |
92 | check_sizeof "int" ${sizeof_int} | |
93 | check_sizeof "long" ${sizeof_long} | |
94 | check_sizeof "long long" ${sizeof_long_long} | |
95 | ||
96 | check_sizeof "void *" ${sizeof_data_ptr} | |
97 | check_sizeof "void (*)(void)" ${sizeof_func_ptr} | |
98 | ||
99 | check_sizeof "float" ${sizeof_float} | |
100 | check_sizeof "double" ${sizeof_double} | |
101 | check_sizeof "long double" ${sizeof_long_double} | |
102 | ||
edcc8c75 AC |
103 | proc check_valueof { exp val } { |
104 | global gdb_prompt | |
105 | ||
edcc8c75 | 106 | set pat [string_to_regexp "valueof (${exp}) == ${val}"] |
6bf46641 | 107 | gdb_test "next" "${pat}\[\r\n\]+\[0-9\].*" "check valueof \"$exp\"" |
edcc8c75 AC |
108 | } |
109 | ||
110 | # Check that GDB and the target agree over the sign of a character. | |
111 | ||
417e16e2 PM |
112 | set signof_byte [get_integer_valueof "'\\377'" -1] |
113 | set signof_char [get_integer_valueof "(int) (char) -1" -1] | |
114 | set signof_signed_char [get_integer_valueof "(int) (signed char) -1" -1] | |
115 | set signof_unsigned_char [get_integer_valueof "(int) (unsigned char) -1" -1] | |
edcc8c75 | 116 | |
39fb8e9e | 117 | check_valueof "'\\377'" ${signof_byte} |
edcc8c75 AC |
118 | check_valueof "(int) (char) -1" ${signof_char} |
119 | check_valueof "(int) (signed char) -1" ${signof_signed_char} | |
120 | check_valueof "(int) (unsigned char) -1" ${signof_unsigned_char} | |
121 | ||
122 | proc check_padding { fmt type val } { | |
123 | global gdb_prompt | |
124 | gdb_test "set padding_${type}.v = ${val}" | |
125 | gdb_test "print padding_${type}.p1" "= \"The quick brown \"" | |
126 | gdb_test "print${fmt} padding_${type}.v" "= ${val}" | |
127 | gdb_test "print padding_${type}.p2" "\"The quick brown \".*" | |
128 | } | |
129 | ||
130 | # Check that GDB is managing to store a value in a struct field | |
131 | # without corrupting the fields immediately adjacent to it. | |
132 | ||
133 | check_padding "/d" "char" 1 | |
134 | check_padding "/d" "short" 2 | |
135 | check_padding "/d" "int" 4 | |
136 | check_padding "/d" "long" 4 | |
137 | check_padding "/d" "long_long" 8 | |
138 | ||
139 | # use multiples of two which can be represented exactly | |
140 | check_padding "/f" "float" 1 | |
141 | check_padding "/f" "double" 2 | |
142 | check_padding "/f" "long_double" 4 | |
2391e11d AC |
143 | |
144 | # | |
145 | # For reference, dump out the entire architecture | |
146 | # | |
147 | # The output is very long so use a while loop to consume it | |
148 | send_gdb "maint print arch\n" | |
149 | set ok 1 | |
150 | while { $ok } { | |
151 | gdb_expect { | |
152 | -re ".*dump" { | |
153 | #pass "maint print arch $ok" | |
154 | #set ok [expr $ok + 1] | |
155 | } | |
156 | -re "$gdb_prompt $" { | |
157 | pass "maint print arch" | |
158 | set ok 0 | |
159 | } | |
160 | timeout { | |
161 | fail "maint print arch (timeout)" | |
162 | set ok 0 | |
163 | } | |
164 | } | |
165 | } |